System for evacuating sludge for a trench excavating machine
- Application ID: EP12189536
- Status: █ GRANT OF PATENT INTENDED
This EP application has the IPC class E02 (HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING) and E21 (EARTH OR ROCK DRILLING; MINING). We found, that Acapo AS, Bryn Aarflot AS, Durm & Partner, Weber & Heim, Hansen und Heeschen and 8 others are specialized in this combination either. For a similar patent, they might be a good choice.